Error when stoping FollowMe (passenger_support branch)

[yumi-modding]

• Drive vehicle with A
• Switch to B and start follow me
• Switch back to A and drive
• Switch to B and stop followMe =>

ContractorMod:ReplaceOnStopAiVehicle Error: Running LUA method 'update'. C:/Users/gr2/Documents/My Games/FarmingSimulator2017/mods/FS17_DCK_FollowMe/FollowMe.lua:705: attempt to index a nil value